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Two short black USB C to 3.5 mm audio dongles with braided cords and metal ends

Corn Electronics

Corn Electronics USB C to 3.5mm Audio Adapter 2-Pack 4.7 inch Black

SKU CH-1D7C-15ZPJ

A two-pack of USB-C to 3.5 mm adapters with a Realtek ALC5686 DAC decoding 32-bit/384 kHz audio, Kevlar-braided 4.7-inch cables and aluminum alloy shells

  • Changer TypeUSB C to 3.5mm Audio
  • Style4.7 inch
  • ColorBlack
  • Realtek ALC5686 DAC delivers 32-bit 384 kHz audio for clearer sound
  • Kevlar-reinforced braided cable resists daily wear and tangles
  • Aluminium alloy housing protects internals from knocks
  • Plug-and-play operation with automatic OMTP/CTIA headset detection
  • Two adapters included for spare or multi-device use

What it is and who it’s for

This two-pack provides a USB-C to 3.5 mm audio adapter for phones, tablets and laptops that lack a headphone jack. Each dongle measures 4.7 inch and uses a Realtek ALC5686 DAC with 32-bit 384 kHz decoding. The aluminium alloy shell and Kevlar-braided cable suit daily carry. It is not for devices that only support analogue USB-C audio or proprietary docking protocols.

Thermals noise and power draw

The adapter draws power directly from the host USB-C port with no external supply needed. Passive aluminium housing dissipates the tiny heat load from the DAC chip, so the body stays near ambient temperature. No active cooling means completely silent operation. Power consumption remains well within standard USB-C port limits for audio accessories.

Bundled accessories and software

Two identical black adapters are included so one can stay at a desk and another travel in a bag. No driver installation is required on Windows 7/8/10, macOS, iOS 10 or Android 4.0 and above. The chip automatically detects OMTP or CTIA headset wiring, enabling inline microphone and remote functions without configuration.

Highlights

  • Realtek ALC5686 DAC delivers 32-bit 384 kHz audio for clearer sound
  • Kevlar-reinforced braided cable resists daily wear and tangles
  • Aluminium alloy housing protects internals from knocks
  • Plug-and-play operation with automatic OMTP/CTIA headset detection
  • Two adapters included for spare or multi-device use

Specifications

Changer TypeUSB C to 3.5mm Audio
Style4.7 inch
ColorBlack

Questions about this item

How do I install the USB C to 3.5 mm adapter and what is the common mistake?

Plug the USB C end into the device and the 3.5 mm plug into the headset; the step people miss is confirming the phone or tablet actually routes digital audio through its Type C port, because some models only support charging on that connector.

What maintenance or replacement will the adapter need later?

The Kevlar braided cable and aluminium shell are built for durability, so no scheduled maintenance is required; replacement only becomes necessary if the cable is physically severed or the USB C connector pins are bent.

What limit appears first during sustained use?

The Realtek ALC5686 DAC is specified to 32 bits 384 kHz with SNR and dynamic range above 100 dB, so the practical ceiling is the source file quality or the headphone load, not the adapter itself.

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